Rheological properties of SWCNT/EG mixture by a new developed optimization approach of LS-Support Vector Regression according to empirical data

Jalal Alsarraf, Seyed Amin Bagherzadeh, Amin Shahsavar, Mahfouz Rostamzadeh, Pham Van Trinh and Minh Duc Tran

Physica A: Statistical Mechanics and its Applications, 2019, vol. 525, issue C, 912-920

Abstract: Present work aims to introduce a new novel method of Support Vector Regression as a substitute for Artificial Neural Network to predict nanofluid properties, for the first time. Then its performance is evaluated according to the empirical results of SWCNT/EG versus temperature and concentration. Hence two LS-SVM and ANN models are trained to estimate the dynamic viscosity of nanofluid made of single-wall carbon nanotubes in ethylene glycol in terms of the temperature (T=30 to 60 °C) and solid concentration (ϕ=0.01 to 0.1%). The results indicate that the precision of the LS-SVM and ANN models are comparable; nevertheless, the LS-SVM generalization is much better than the ANN. This is due to the fact that the LS-LSM models have a less number of parameters in comparison with the ANN. Therefore, the LS-LSM is more resistant to overfitting than the ANN, especially in handling small-size datasets. Hence, the LS-SVM may be a more reliable method for function estimation problems with small-size datasets.

Keywords: Support vector regression; Artificial neural network; Nanofluid properties; Empirical results (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:525:y:2019:i:c:p:912-920

DOI: 10.1016/j.physa.2019.03.065

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